What is excelworkspacefactory.dll doing on my computer?

excelworkspacefactory.dll is a ExcelWorkspaceFactory.dll
belonging to ArcGIS
from ESRI
Non-system processes like excelworkspacefactory.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.

excelworkspacefactory.dll

In order to ensure your files and data are not lost, be sure to back up your files online. Using a cloud backup service will allow you to safely secure all your digital files. This will also enable you to access any of your files, at any time, on any device.

Is excelworkspacefactory.dll CPU intensive?

This process is not considered CPU intensive. However, running too many processes on your system may affect your PC’s performance. To reduce system overload, you can use the Microsoft System Configuration Utility to manually find and disable processes that launch upon start-up. Alternatively, download PC Mechanic to automatically scan and identify any PC issues.